void lcd_print(char *str) // Send I2C data TWDR = (I2C_ADDRESS << 1)
void lcd_init() // Initialize I2C TWBR = 0x18; // 100 kHz TWSR = 0x00; jhd-2x16-i2c proteus
#include <stdint.h> #include <stdbool.h> #include <avr/io.h> #include <avr/interrupt.h> void lcd_print(char *str) // Send I2C data TWDR
// Initialize LCD uint8_t init_sequence[] = 0x33, // Function set: 8-bit interface, 2 lines, 5x8 dots 0x32, // Function set: 4-bit interface, 2 lines, 5x8 dots 0x28, // Function set: 4-bit interface, 2 lines, 5x8 dots 0x0C, // Display control: Display on, cursor off, blink off 0x01 // Clear display ; for (uint8_t i = 0; i < sizeof(init_sequence); i++) (1 << TWEN); while (!(TWCR & (1 << TWINT))); // 100 kHz TWSR = 0x00